diff options
| author | rtlsdrblog <admin@rtl-sdr.com> | 2023-08-24 23:15:45 +1200 |
|---|---|---|
| committer | Steve Markgraf <steve@steve-m.de> | 2023-11-02 12:28:54 +0100 |
| commit | 2f28c0f49852d62ab2a901a85d5de6f250c84033 (patch) | |
| tree | 8aff870708166d40742cbadc2599ea604b8ca773 /src | |
| parent | 6de0987c3df5879489e60f50f83727e6fd9e3fae (diff) | |
add direct sampling to rtl_sdr
Diffstat (limited to 'src')
| -rw-r--r-- | src/rtl_sdr.c | 12 | ||||
| -rw-r--r-- | src/rtl_tcp.c | 3 |
2 files changed, 12 insertions, 3 deletions
diff --git a/src/rtl_sdr.c b/src/rtl_sdr.c index 2c93b57..ccd6d76 100644 --- a/src/rtl_sdr.c +++ b/src/rtl_sdr.c @@ -55,6 +55,7 @@ void usage(void) "\t[-b output_block_size (default: 16 * 16384)]\n" "\t[-n number of samples to read (default: 0, infinite)]\n" "\t[-S force sync output (default: async)]\n" + "\t[-D enable direct sampling (default: off)]\n" "\tfilename (a '-' dumps samples to stdout)\n\n"); exit(1); } @@ -113,6 +114,7 @@ int main(int argc, char **argv) int r, opt; int gain = 0; int ppm_error = 0; + int direct_sampling = 0; int sync_mode = 0; FILE *file; uint8_t *buffer; @@ -122,7 +124,7 @@ int main(int argc, char **argv) uint32_t samp_rate = DEFAULT_SAMPLE_RATE; uint32_t out_block_size = DEFAULT_BUF_LENGTH; - while ((opt = getopt(argc, argv, "d:f:g:s:b:n:p:S")) != -1) { + while ((opt = getopt(argc, argv, "d:f:g:s:b:n:p:SD")) != -1) { switch (opt) { case 'd': dev_index = verbose_device_search(optarg); @@ -149,6 +151,9 @@ int main(int argc, char **argv) case 'S': sync_mode = 1; break; + case 'D': + direct_sampling = 1; + break; default: usage(); break; @@ -198,6 +203,11 @@ int main(int argc, char **argv) #else SetConsoleCtrlHandler( (PHANDLER_ROUTINE) sighandler, TRUE ); #endif + + /* Set direct sampling */ + if (direct_sampling) + verbose_direct_sampling(dev, 2); + /* Set the sample rate */ verbose_set_sample_rate(dev, samp_rate); diff --git a/src/rtl_tcp.c b/src/rtl_tcp.c index 4316cc4..78d625a 100644 --- a/src/rtl_tcp.c +++ b/src/rtl_tcp.c @@ -488,9 +488,8 @@ int main(int argc, char **argv) #endif /* Set direct sampling */ - if (direct_sampling) { + if (direct_sampling) verbose_direct_sampling(dev, 2); - } /* Set the tuner error */ verbose_ppm_set(dev, ppm_error); |